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[Bug middle-end/30744] [4.2/4.3 Regression] ICE in compare_values, at tree-vrp.c:466
- From: "sayle at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Mar 2007 19:03:24 -0000
- Subject: [Bug middle-end/30744] [4.2/4.3 Regression] ICE in compare_values, at tree-vrp.c:466
- References: <bug-30744-14076@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from sayle at gcc dot gnu dot org 2007-03-04 19:03 -------
Subject: Bug 30744
Author: sayle
Date: Sun Mar 4 19:03:13 2007
New Revision: 122531
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122531
Log:
PR middle-end/30744
* fold-const.c (fold_comparison): Enforce type consistency when
transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
* gcc.dg/pr30744-1.c: New test case.
Added:
trunk/gcc/testsuite/gcc.dg/pr30744-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30744